Greenheck DGX Installation, Operation And Maintenance Manual page 6

Installation - Roof Mounted Unit Arrangement DBC
Step 5 Install Exhaust Fan
Fasten exhaust fan to curb extension with self-
tapping sheet metal screws. See figure #11
NOTE!
Installing the exhaust fan prior to the supply unit
will allow for easier installation of options.
Step 6 Install Exhaust Options
Install optional Greenheck hinge kit with restraining
cables and grease trap with drain connection.
Step 7 Install Supply Unit
Use a crane and a set of spreader bars hooked to the
factory lifting lugs to lift and center the unit on the
curb/equipment support(s). See figure #12.
Use self-tapping sheet metal screws to fasten the unit
to the curb/equipment support(s).
NOTE!
The use of all lifting lugs and a set of spreader
bars is mandatory when lifting unit.
NOTE!
Some units come with the weatherhood attached
and step 8 may not apply.
Step 8 Assemble and Attach
Weatherhood
The weatherhood can now be assembled and/or
attached to the unit. Detailed assembly instructions
can be found with the weatherhood. If the optional
evaporative cooling module was selected, this step
does not apply, refer to the installation instructions for
the optional evaporative cooling module.
Step 9 Seal Weatherhood Seam
Using an appropriate sealant, seal the seam between
the weatherhood and the unit.
Figure 11. Exhaust Fan
Figure 12. Installing Supply Unit
Figure 13. Complete Combination Installation
6
Model CUBE
Exhaust Fan